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Returning a boolean from a Bash function
...s no failure (success) and non-zero means failure (of type N).
While the selected answer is technically "true" please do not put return 1** in your code for false. It will have several unfortunate side effects.
Experienced developers will spot you as an amateur (for the reason below).
Experience...
Tree data structure in C#
...T>[] AddChildren(params T[] values)
{
return values.Select(AddChild).ToArray();
}
public bool RemoveChild(TreeNode<T> node)
{
return _children.Remove(node);
}
public void Traverse(Action<T> action)
{
...
jQuery equivalent of JavaScript's addEventListener method
...ent handler directly to
elements. Handlers are attached to the currently selected elements in
the jQuery object, so those elements must exist at the point the call
to .bind() occurs. For more flexible event binding, see the discussion
of event delegation in .on() or .delegate().
The docume...
No appenders could be found for logger(log4j)?
...
In IntelliJ idea open module setting and select your resource folder and click resources, it will automatically add your every resource to the classpath.
– Waqas
Aug 12 '16 at 7:04
...
How to disassemble one single function using objdump?
...g=1;next}/^[[:xdigit:]]+ <.*>:$/{flag=0}flag'
adapted from: How to select lines between two marker patterns which may occur multiple times with awk/sed
Mailing list replies
There is a 2010 thread on the mailing list which says it is not possible: https://sourceware.org/ml/binutils/2010-04/...
What is the difference between varchar and nvarchar?
... NLS_CHARACTERSET option is set. You may be able to find it with the query SELECT value$ FROM sys.props$ WHERE name = 'NLS_CHARACTERSET'.
If your NLS_CHARACTERSET is a Unicode encoding like UTF8, great. Using VARCHAR and NVARCHAR are pretty much identical. Stop reading now, just go for it. Otherwis...
How to count objects in PowerShell?
... @Shameer While we're at it, one can use Get-Alias | Measure-Object | Select-Object -ExpandProperty Count to get rid of % and {}. What is easier to write and read is for another discussion.
– LosManos
May 7 '18 at 12:08
...
brew install mysql on macOS
...wever, the UPDATE did not work since I do not have any records on select * from mysql.user; Since we are already logged in as root, we can simply insert one for root by running GRANT ALL PRIVILEGES ON . TO 'root'@'localhost' IDENTIFIED BY 'whatever'; FLUSH PRIVILEGES;
...
Perform Segue programmatically and pass parameters to the destination view
...de on how to do what you are asking. In this case I am passing data from a selected cell in a table view to another view controller.
in the .h file of the trget view:
@property(weak, nonatomic) NSObject* dataModel;
in the .m file:
@synthesize dataModel;
dataModel can be string, int, or lik...
PHP Redirect with POST data
... the output of a
POST-activated script to redirect the
user agent to a selected resource. The
new URI is not a substitute reference
for the originally requested resource.
The 303 response MUST NOT be cached,
but the response to the second
(redirected) request might be
cacheable.
Th...